Amplifier



FIG. 1 is a front view of an amplifier showing the new design.

FIG. 2 is a rear view thereof.

FIG. 3 is a right side view thereof, the left side view being a mirrorimage of the right side view.

FIG. 4 is a bottom view thereof.

FIG. 5 is a front, top and right side perspective view thereof.

FIG. 6 is a front, top and right side perspective view thereof with theremovable rear cover displaced from the remainder of the amplifier; and,

FIG. 7 is a front, bottom and left side perspective view thereof.

The broken lines shown in the drawings illustrate portions of theamplifier that form no part of the claimed design.

CLAIM The ornamental design for an amplifier, as shown and described.